package com.hspedu.string_;

/**
 * @author DL5O
 * @version 1.0
 */
public class StringExercise08 {
    public static void main(String[] args) {
        String a = "hello";
        String b = "abc";
        //1.先创建一个 StringBuilder sb = StringBuilder()
        //2.执行 sb.append("hello");
        //3. sb.append("abc");
        //4. Str c =sb.toString();
        String c = a + b;
    }
}
